Publication

Rotor Position Estimation with Hall-Effect Sensors in Bearingless Drives

Yves Perriard, Juan Patricio Tomás Peralta Fierro
2020
Conference paper

Abstract

The estimation of rotor position is fundamental for the commissioning of magnetically-levitated drives. The sensors required for this measurement must be close to the rotor, often requiring constructive measures that may limit the application potential of a drive. This publication presents the estimation of rotor angle and position, based on Hall-effect sensors installed on a slotless bearingless drive. This scheme enables sensor mounting away from the rotor, thus simplifying its encapsulation.

Official source

https://infoscience.epfl.ch/record/282184?ln=en

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Rotor Position Estimation with Hall-Effect Sensors in Bearingless Drives

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Modelling and Sensors for Magnetically-Levitated Disc Drives

Nonlinear study on a rigid rotor supported by herringbone grooved gas bearings: Theory and validation

Modelling and Sensors for Magnetically-Levitated Disc Drives

Nonlinear study on a rigid rotor supported by herringbone grooved gas bearings: Theory and validation